oracle中not in 和 in 的替代写法


 

-- not in 的替代写法
select col from table1 where col not in
(select col from table2);

select col,table2.col temp_col
from table1 left join table2
on table1.col = table2.col
where temp_col is null;

-- in 的替代写法
select col from table1 where col in
(select col from table2);

select col,table2.col temp_col
from table1 left join table2
on table1.col = table2.col
where temp_col is not null;

 


免责声明!

本站转载的文章为个人学习借鉴使用,本站对版权不负任何法律责任。如果侵犯了您的隐私权益,请联系本站邮箱yoyou2525@163.com删除。



 
粤ICP备18138465号  © 2018-2025 CODEPRJ.COM